Minn Kota Mkp-2 Power Prop 2061121. Motor DIA: 3-1/4 inch. Prop Nut Kit: "A". Specifications for Minn Kota MKP-2 Power Prop Propeller: Manufacturer: Minn-Kota Color: Black Features of Minn Kota MKP-2 Power Prop Propeller: Delivers extra power to push through heavy vegetation Fits 3-1/4" motor diameters Includes prop pin nut & washer 2 power propeller Limited 2 year manufacturer warranty Package Contents: Minn Kota Propeller Minn Kota 1865002: Mkp-2 Power Prop - Fits 3-1/4" motor diameters.